72 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



ensued, which did not differ greatly from the first season's activity. 

 Many tests were made with supports and other objects brought into 

 contact with the apical portions of the stems, but in no instance did 



Fig. 26. A, terminal portion of normal stem of AristolocJiia. B, etiolated culti 

 of Aristolochia. 



